Princess Charlotte has been putting on all sorts of adorable displays during the Royal Tour of Poland. From stepping off the plane in Warsaw to sniffing her bouquet in Berlin, the two-year-old has been nonstop cute. But one her best moments on the tour might've occurred this morning, when she gave a little curtesy before boarding the plane to Germany.

While Charlotte and her family said their farewells on the tarmac in Warsaw, her mother Kate Middleton reminded her to say thank you to the officials seeing them off. The little royal responded perfectly with the tiniest, gentlest curtsey the world has probably ever seen.

Her diplomatic etiquette has been stellar since the royal tour kicked off earlier this week. After landing in Poland on Monday and disembarking the the plane (carried in her mother's arms, no less), she shook hands with one of her greeters.

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